错误处理函数

目录

# Error-Handling Functions

Use the following statements and functions to define the way LibreOfficeDev Basic reacts to run-time errors.

LibreOfficeDev Basic offers several methods to prevent the termination of a program when a run-time error occurs.

## CVErr Function

将字符串表达式或数字表达式转换为 "Error" 子类型的变量表达式。

## Erl 函数

返回在程序执行过程中出现错误的行号。

## Err 函数

返回一个错误代码，用于标识程序执行过程中出现的错误。

## Err Object [VBA]

Use VBA Err object to raise or handle runtime errors.

## IsError Function

测试变量是否含有错误值。

## Error 函数

Returns the error message that corresponds to a value or raises a given error context.

## On Error GoTo ... Resume 语句

发生错误时启用错误处理例程或恢复程序执行。

## Resume Statement

Resets error information and indicates what to execute next.

## ScriptForge.Exception service

The Exception service is a collection of methods to assist in code debugging in Basic and Python scripts and in error handling in Basic scripts.

In Basic scripts, when a run-time error occurs, the methods and properties of the Exception service help identify the error context and allow to handle it.

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